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For months, the ONO team has been working on compatibility issues between the printer and the hundreds of phones currently available on the market delaying shipments. From the start of the project, the decision was made to use the audio output to communicate with the printer to maximize the compatibility with phones, especially older ones, since a hardware connection through the audio jack is more reliable than wireless communication. What the team was not prepared for was the variation not only between phones, but between software versions on the same phone. Fixing problems on one system resulted in a degradation in another, causing a crippling problem.

Boston-based Markforged 3D printer manufacturer to open European headquarters in Dublin

G-code (also RS-274) is a language in which people tell computerized machine tools how to make something. The "how" is defined by g-code instructions provided to a machine controller (industrial computer) that tells the motors where to move, how fast to move, and what path to follow. The most common situation is that, within a machine tool, a cutting tool is moved according to these instructions through a toolpath and cuts away material to leave only the finished workpiece. The same concept also extends to noncutting tools such as forming or burnishing tools, photoplotting, additive methods such as 3D printing, and measuring instruments.

List of M-codes commonly found on FANUC and similarly designed controls for milling and turning.

G-codes, also called preparatory codes, are any word in a CNC program that begins with the letter G. Generally it is a code telling the machine tool what type of action to perform, such as:

• Rapid movement (transport the tool as quickly as possible in between cuts)
• Controlled feed in a straight line or arc
• Series of controlled feed movements that would result in a hole being bored, a workpiece cut (routed) to a specific dimension, or a profile (contour) shape added to the edge of a workpiece
• Set tool information such as offset
• Switch coordinate systems

There are also other codes like for example the M-code.

Most desktop 3D printer users are familiar with the benefits and disadvantages of PLA and ABS materials. But, when it comes to producing flexible and durable objects, PETG filament is gaining popularity among filament producers and the 3D printing community.